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March 5, 2015

March 5, 2015

Posted by **niles28** on Monday, December 3, 2012 at 1:20am.

- chemistry -
**DrBob222**, Monday, December 3, 2012 at 3:06pmk = 0.693/t

_{1/2}

Solve for k.

ln(No/N) = kt

You can make No any convenient number. I would pick 64/

N is No x (1/32) = ? for No = 64 that is 2.00

k from above.

Solve for t in years.

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